diff --git a/include/amiconf.h b/include/amiconf.h
index 77baa09f1..682ed3a2b 100644
--- a/include/amiconf.h
+++ b/include/amiconf.h
@@ -198,7 +198,7 @@ struct ami_sysflags {
     boolean altmeta;  /* use ALT keys as META */
     boolean amiflush; /* kill typeahead */
 #endif
-#ifdef AMII_GRAPHICS	        
+#ifdef AMII_GRAPHICS 
     int numcols;
     unsigned short amii_dripens[20]; /* DrawInfo Pens currently there are 13 in v39 */
     AMII_COLOR_TYPE amii_curmap[AMII_MAXCOLORS]; /* colormap */
diff --git a/include/winprocs.h b/include/winprocs.h
index 0abe61d8c..a60a00c77 100644
--- a/include/winprocs.h
+++ b/include/winprocs.h
@@ -19,7 +19,7 @@ enum wp_ids { wp_tty = 1, wp_X11, wp_Qt, wp_mswin, wp_curses,
 #ifdef OUTDATED_STUFF
               wp_mac, wp_Gem, wp_Gnome,
 #endif
-              wp_trace	// XXX do we need this?  should chainin/out get an id? TBD
+              wp_trace  // XXX do we need this?  should chainin/out get an id? TBD
 };
 
 /* NB: this MUST match chain_procs below */
diff --git a/src/earlyarg.c b/src/earlyarg.c
index 78feae94a..e7a09887a 100755
--- a/src/earlyarg.c
+++ b/src/earlyarg.c
@@ -711,7 +711,7 @@ dump_enums(void)
         objclass_classes_enum,
         objclass_syms_enum,
         arti_enum,
-	mcastu_enum,
+        mcastu_enum,
         NUM_ENUM_DUMPS
     };
 
@@ -743,7 +743,7 @@ dump_enums(void)
         objclass_classes_dump,
         objclass_syms_dump,
         arti_enum_dump,
-	mcastu_enum_dump,
+        mcastu_enum_dump,
     };
 
     static const struct de_params {